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应加拿大BC 省林业部的邀请,由黑龙江省森林工业总局组成营林技术考察组,进行了为期半年的实习和考察。现将该省森林病虫害防治情况简介如下:一、森林病虫害防治工作概况BC 省是加拿大森林面积较大的一个省,森林覆盖率为56.9%,林木蓄积量为78亿立米,其中针叶树占97%,成过熟林占83.9%。1976年以来,年平均采伐面积174496公顷,出材6926万立米,年生长量为1.1亿立米,略大于年消耗量.BC 省木材产
At the invitation of the Canadian Department of Forestry in BC, a Silvicultural Technical Investigation Team was formed by the General Administration of Forestry of Heilongjiang Province to conduct a half-year internship and inspection. Brief introduction of the prevention and control of forest pests and diseases in the province is as follows: 1. Overview of Forest Pest and Disease Control BC Province is a province with a large forest area in Canada with a forest coverage rate of 56.9% and a forest volume of 7.8 billion cubic meters, of which conifers account for 97% , Over ripe forest accounted for 83.9%. Since 1976, the annual average harvest area of 174,496 hectares, the output of 69.26 million cubic meters, the annual growth of 110 million cubic meters, slightly larger than the annual consumption.BBC Province timber production